Other
Scientific paper
Aug 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004head....8.2516c&link_type=abstract
American Astronomical Society, HEAD meeting #8, #25.16; Bulletin of the American Astronomical Society, Vol. 36, p.956
Other
Scientific paper
RXTE is conducting a long term monitoring program to discover and study X-ray pulsars in the Small Magellanic Cloud. We present here recent measurements of outburst recurrence periods for sources including 2E 0050.1-7247, which has a pulse period of 8.89s and a recurrence period of 28 days, and "XTE SMC144" which has a pulse period of 144s and a recurrence period of 61 days. The outburst periods are believed to reveal the orbital periods of Be/neutron star binaries. The parameters of these sources and other X-ray pulsars in the SMC and the Galaxy are plotted on a diagram of pulse vs. orbital period (Corbet 1984, 1986). So far, in spite of the large metallicity differences of these two galaxies, the same well-known correlation between pulse and orbital periods exists for systems in both galaxies and no large difference in the nature of the relationship is found between Galactic and SMC systems.
Coe Malcolm J.
Corbet Robin H. D.
Edge W. R. T.
Laycock Silas
Markwardt Craig B.
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